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New relocation-generating program (#1016)
* Update makefiles * git subrepo clone git@github.com:EllipticEllipsis/fado.git tools/fado subrepo: subdir: "tools/fado" merged: "46c4d751a" upstream: origin: "git@github.com:EllipticEllipsis/fado.git" branch: "master" commit: "46c4d751a" git-subrepo: version: "0.4.3" origin: "https://github.com/ingydotnet/git-subrepo.git" commit: "2f68596" * git subrepo pull tools/fado subrepo: subdir: "tools/fado" merged: "88114ebce" upstream: origin: "git@github.com:EllipticEllipsis/fado.git" branch: "master" commit: "88114ebce" git-subrepo: version: "0.4.3" origin: "https://github.com/ingydotnet/git-subrepo.git" commit: "2f68596" * A few ideas for computing dependencies * Remove reserved identifiers from spec.h and util.h and add required headers * Fix a couple more headers * Program for reloc prerequisites * git subrepo pull tools/fado subrepo: subdir: "tools/fado" merged: "36a905f72" upstream: origin: "git@github.com:EllipticEllipsis/fado.git" branch: "master" commit: "36a905f72" git-subrepo: version: "0.4.3" origin: "https://github.com/ingydotnet/git-subrepo.git" commit: "2f68596" * Update makefile to make dependency files and use overlay's name * git subrepo pull tools/fado subrepo: subdir: "tools/fado" merged: "43c339a59" upstream: origin: "git@github.com:EllipticEllipsis/fado.git" branch: "master" commit: "43c339a59" git-subrepo: version: "0.4.3" origin: "https://github.com/ingydotnet/git-subrepo.git" commit: "2f68596" * Change awk to grep, delete ZAPD files, gitignore elf * Delete all the cfg files * Fix memory leaks * Rename and add coloured errors * Makefile tweaks - preprocess spec before grep - split order prerequisites via phony target to reduce dependency edges - remove `resources` target - remove separate overlays targets - use `$(SPEC)` throughout - change to using filenames of relocs for overlay names via `$*` - Rearrange targets to better reflect their categories * Update gitignore * Review * Add a check for the reloc file name * get_segment_by_name * get_stmt_id_by_stmt_name * Cleaning up * algorithm change * function rename * Fix typos Co-authored-by: angie <angheloalf95@gmail.com>
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EllipticEllipsis
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commit
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511 changed files with 3947 additions and 1104 deletions
229
tools/fado/src/main.c
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229
tools/fado/src/main.c
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/* Copyright (C) 2021 Elliptic Ellipsis */
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/* SPDX-License-Identifier: AGPL-3.0-only */
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#include <stdbool.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <getopt.h>
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#include "macros.h"
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#include "fairy/fairy.h"
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#include "fado.h"
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#include "help.h"
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#include "mido.h"
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#include "vc_vector/vc_vector.h"
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#include "version.inc"
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void PrintVersion() {
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printf("Fado (Fairy-Assisted relocations for Decompiled Overlays), version %s\n", versionNumber);
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printf("Copyright (C) 2021 Elliptic Ellipsis\n");
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printf("%s\n", credits);
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printf("Repository available at %s.\n", repo);
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}
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#if defined _WIN32 || defined __CYGWIN__
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#define PATH_SEPARATOR '\\'
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#else
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#define PATH_SEPARATOR '/'
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#endif
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/**
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* (Bad) filename-parsing idea to get the overlay name from the filename. Output must be freed separately.
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*/
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char* GetOverlayNameFromFilename(const char* src) {
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char* ret;
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const char* ptr;
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const char* start = src;
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const char* end = src;
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for (ptr = src; *ptr != '\0'; ptr++) {
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if (*ptr == PATH_SEPARATOR) {
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start = end + 1;
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end = ptr;
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}
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}
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if (end == src) {
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return NULL;
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}
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ret = malloc((end - start + 1) * sizeof(char));
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memcpy(ret, start, end - start);
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ret[end - start] = '\0';
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return ret;
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}
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#define OPTSTR "M:n:o:v:hV"
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#define USAGE_STRING "Usage: %s [-hV] [-n name] [-o output_file] [-v level] input_files ...\n"
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#define HELP_PROLOGUE \
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"Fado (Fairy-Assisted relocations for Decompiled Overlays\n" \
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"Extract relocations from object files and convert them into the format required by Zelda 64 overlays.\n"
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#define HELP_EPILOGUE repo
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// clang-format off
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static const PosArgInfo posArgInfo[] = {
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{ "INPUT_FILE", "Every positional argument is an input file, and there should be at least one input file. All inputs are relocatable .o (object) ELF files" },
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{ NULL, NULL }
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};
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static const OptInfo optInfo[] = {
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{ { "make-dependency", required_argument, NULL, 'M' }, "FILE", "Write the output file's Makefile dependencies to FILE" },
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{ { "name", required_argument, NULL, 'n' }, "NAME", "Use NAME as the overlay name. Will use the deepest folder name in the input file's path if not specified" },
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{ { "output-file", required_argument, NULL, 'o' }, "FILE", "Output to FILE. Will use stdout if none is specified" },
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{ { "verbosity", required_argument, NULL, 'v' }, "N", "Verbosity level, one of 0 (None, default), 1 (Info), 2 (Debug)" },
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{ { "help", no_argument, NULL, 'h' }, NULL, "Display this message and exit" },
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{ { "version", no_argument, NULL, 'V' }, NULL, "Display version information" },
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{ { NULL, 0, NULL, '\0' }, NULL, NULL },
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};
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// clang-format on
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static size_t posArgCount = ARRAY_COUNT(optInfo);
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static size_t optCount = ARRAY_COUNT(optInfo);
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static struct option longOptions[ARRAY_COUNT(optInfo)];
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void ConstructLongOpts() {
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size_t i;
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for (i = 0; i < optCount; i++) {
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longOptions[i] = optInfo[i].longOpt;
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}
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}
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int main(int argc, char** argv) {
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int opt;
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int inputFilesCount;
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FILE** inputFiles;
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FILE* outputFile = stdout;
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char* outputFileName;
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char* dependencyFileName = NULL;
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char* ovlName = NULL;
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ConstructLongOpts();
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if (argc < 2) {
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printf(USAGE_STRING, argv[0]);
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fprintf(stderr, "No input file specified\n");
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return EXIT_FAILURE;
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}
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while (true) {
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int optionIndex = 0;
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if ((opt = getopt_long(argc, argv, OPTSTR, longOptions, &optionIndex)) == -1) {
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break;
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}
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switch (opt) {
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case 'M':
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dependencyFileName = optarg;
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break;
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case 'n':
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ovlName = optarg;
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break;
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case 'o':
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outputFileName = optarg;
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outputFile = fopen(optarg, "wb");
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if (outputFile == NULL) {
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fprintf(stderr, "error: unable to open output file '%s' for writing", optarg);
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return EXIT_FAILURE;
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}
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break;
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case 'v':
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if (sscanf(optarg, "%u", &gVerbosity) == 0) {
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fprintf(stderr, "warning: verbosity argument '%s' should be a nonnegative decimal integer", optarg);
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}
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break;
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case 'h':
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printf(USAGE_STRING, argv[0]);
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Help_PrintHelp(HELP_PROLOGUE, posArgCount, posArgInfo, optCount, optInfo, HELP_EPILOGUE);
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return EXIT_FAILURE;
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case 'V':
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PrintVersion();
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return EXIT_FAILURE;
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default:
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fprintf(stderr, "?? getopt returned character code 0x%X ??\n", opt);
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break;
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}
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}
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FAIRY_INFO_PRINTF("%s", "Options processed\n");
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{
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int i;
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inputFilesCount = argc - optind;
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if (inputFilesCount == 0) {
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fprintf(stderr, "No input files specified. Exiting.\n");
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return EXIT_FAILURE;
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}
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inputFiles = malloc(inputFilesCount * sizeof(FILE*));
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for (i = 0; i < inputFilesCount; i++) {
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FAIRY_INFO_PRINTF("Using input file %s\n", argv[optind + i]);
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inputFiles[i] = fopen(argv[optind + i], "rb");
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if (inputFiles[i] == NULL) {
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fprintf(stderr, "error: unable to open input file '%s' for reading", argv[optind + i]);
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return EXIT_FAILURE;
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}
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}
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FAIRY_INFO_PRINTF("Found %d input file%s\n", inputFilesCount, (inputFilesCount == 1 ? "" : "s"));
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if (ovlName == NULL) { // If a name has not been set using an arg
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ovlName = GetOverlayNameFromFilename(argv[optind]);
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Fado_Relocs(outputFile, inputFilesCount, inputFiles, ovlName);
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free(ovlName);
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} else {
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Fado_Relocs(outputFile, inputFilesCount, inputFiles, ovlName);
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}
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for (i = 0; i < inputFilesCount; i++) {
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fclose(inputFiles[i]);
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}
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free(inputFiles);
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if (outputFile != stdout) {
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fclose(outputFile);
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}
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}
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if (dependencyFileName != NULL) {
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int fileNameLength = strlen(outputFileName);
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char* objectFile = malloc((strlen(outputFileName) + 1) * sizeof(char));
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vc_vector* inputFilesVector = vc_vector_create(inputFilesCount, sizeof(char*), NULL);
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char* extensionStart;
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FILE* dependencyFile = fopen(dependencyFileName, "w");
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if (dependencyFile == NULL) {
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fprintf(stderr, "error: unable to open dependency file '%s' for writing", dependencyFileName);
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return EXIT_FAILURE;
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}
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strcpy(objectFile, outputFileName);
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extensionStart = strrchr(objectFile, '.');
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if (extensionStart == objectFile + fileNameLength) {
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fprintf(stderr, "error: file name should not end in a '.'");
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return EXIT_FAILURE;
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}
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strcpy(extensionStart, ".o");
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vc_vector_append(inputFilesVector, &argv[optind], inputFilesCount);
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Mido_WriteDependencyFile(dependencyFile, objectFile, inputFilesVector);
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free(objectFile);
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vc_vector_release(inputFilesVector);
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fclose(dependencyFile);
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}
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return EXIT_SUCCESS;
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}
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